Yarn nozzle of two-sided knitting machine

Abstract

The utility model discloses a yarn feeder of a two-sided knitting machine. The yarn feeder comprises a mounting plate, a mounting groove, a connecting plate, a yarn threading hole I and a yarn threading hole II, the connecting plate is arranged at the bottom end of the mounting plate, the first yarn penetrating hole and the second yarn penetrating hole are formed in the upper end and the lower end of the connecting plate respectively, yarn can penetrate through the first yarn penetrating hole and the second yarn penetrating hole, the connecting shaft, the concave wheel, the bevel gear, the transmission shaft and other assemblies are arranged in the first yarn penetrating hole, and the concave wheel can be driven to rotate through yarn movement under mutual cooperation; according to the yarn threading device, friction between yarn and the concave wheel can be reduced and optimized, abrasion between the yarn and the concave wheel is reduced, the service life of the yarn threading device is prolonged, the concave wheel rotates to drive the rotating wheel in the second yarn threading hole to rotate, the second yarn threading hole is protected, and high practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of knitting machines, in particular to a yarn mouth of a double-sided knitting machine. Background Art

[0002] The double-sided knitting machine is a process testing instrument used in the field of textile science and technology, mainly used for knitting double-sided fabrics.

[0003] The yarn mouth of a double-sided knitting machine is an accessory used on a double-sided knitting machine. It is mainly used to guide the yarn through the knitting machine to complete the weaving of the fabric.

[0004] Chinese patent CN212640775U discloses a double-sided knitting machine yarn mouth, including a mounting plate, a connecting rod welded to the bottom of the mounting plate, a first yarn threading eye formed at the upper end of the connecting rod, a second yarn threading eye formed at the lower end of the connecting rod, protective rubber sleeves being clamped on the surfaces of the second yarn threading eye and the first yarn threading eye, a natural latex layer being provided on the surface of the protective rubber sleeve, and a carbon fiber coating layer being sprayed on the surface of the natural latex layer.

[0005] This patent provides a protective layer on the inner side of the second yarn threading eye and the first yarn threading eye. However, when the second yarn threading eye and the first yarn threading eye pass through the yarn for a long time, it may cause wear to the part of the protective layer that is in long-term contact with the yarn, thereby affecting the protective and wear-resistant effect, and has certain limitations. Utility Model Content

[0006] The purpose of the utility model is to provide a yarn mouth for a double-sided knitting machine to solve the problems raised in the above background technology.

[0007] In order to achieve the above object, the utility model adopts the following technical solution: a double-sided knitting machine yarn mouth, comprising a mounting plate, a mounting groove is provided at the middle end of the mounting plate, and a connecting plate is provided at the bottom end of the mounting plate, a first yarn threading hole is provided at the upper end of the connecting plate, and a second yarn threading hole is provided at the lower end;

[0008] The upper and lower ends of the yarn threading hole are both provided with a group of notches, and the notches are connected with a group of cam wheels through connecting shafts, and the right end of the connecting shaft at the bottom is connected with a group of transmission shafts through two groups of bevel gears.

[0009] Preferably, a cavity is provided at the bottom end of the connecting plate, a group of rotating wheels is provided at the right end of the cavity corresponding to the position of the second yarn threading hole, a group of worm gears is provided at the upper left end of the rotating wheel, a group of worms are connected to the left end of the worm gear, and the top end of the worm is connected to the bottom end of the transmission shaft.

[0010] Preferably, a through hole is provided at the middle end of the rotating wheel, and the inner side of the through hole is arc-shaped.

[0011] Preferably, the diameter of the through hole at the middle end of the rotating wheel is smaller than the diameter of the second yarn threading hole, and can extend into the second yarn threading hole.

[0012] Preferably, the outer side of the rotating wheel is provided with convex teeth corresponding to the worm gear.

[0013] Preferably, the outer middle ends of the two groups of concave wheels are both provided with a protective coating.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] A connecting plate is arranged at the bottom end of the mounting plate, and a yarn threading hole 1 and a yarn threading hole 2 are respectively provided at the upper and lower ends of the connecting plate. The yarn can pass through the yarn threading hole 1 and the yarn threading hole 2, and the yarn threading hole 1 is provided with a connecting shaft, a concave wheel, a bevel gear and a transmission shaft and other components. Under the cooperation of each other, the concave wheel can be driven to rotate by the movement of the yarn, which can reduce the friction between the optimized yarn and the concave wheel, reduce the wear between the two, and extend their service life. The rotation of the concave wheel can drive the rotating wheel in the yarn threading hole 2 to rotate, thereby protecting the yarn threading hole 2, and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the yarn threading hole of the present invention;

[0018] Figure 3 This is a schematic diagram of the internal structure of the cavity of the present invention.

[0019] In the figure: mounting plate 1, mounting groove 2, connecting plate 3, yarn threading hole 1 4, yarn threading hole 2 5, notch 41, connecting shaft 42, concave gear 43, bevel gear 44, transmission shaft 45, cavity 51, rotating wheel 52, worm gear 53, worm 54. DETAILED DESCRIPTION

[0020] In order to further explain the technical solution of the present invention, specific embodiments are described in detail below.

[0021] See also Figure 1 The utility model provides a double-sided knitting machine yarn mouth, including a mounting plate 1, a mounting groove 2 is provided at the middle end of the mounting plate 1, and a connecting plate 3 is provided at the bottom end of the mounting plate 1, a yarn threading hole 1 4 is provided at the upper end of the connecting plate 3, and a yarn threading hole 2 5 is provided at the lower end.

[0022] See also Figure 1-2The utility model provides a double-sided knitting machine yarn mouth, wherein a group of notches 41 are provided at the upper and lower ends of a yarn threading hole 4, and a group of concave wheels 43 are connected to the notches 41 through a connecting shaft 42. When the yarn passes through the yarn threading hole 4, it can fit into the outer sides of the two groups of concave wheels 43. When the yarn moves, the two groups of concave wheels 43 can be driven to rotate, and the middle ends of the two groups of concave wheels 43 are provided with a protective coating to protect the outer sides of the yarn. Among them, the right end of the bottom connecting shaft 42 is connected to a group of transmission shafts 45 through two groups of bevel gears 44. When the bottom concave wheels 43 and the connecting shaft 42 rotate, the transmission shaft 45 can be driven to rotate through the two groups of bevel gears 44.

[0023] See also Figure 1-3 The utility model provides a double-sided knitting machine yarn mouth, the connecting plate 3 is provided with a cavity 51 at the bottom end, and a group of rotating wheels 52 are provided at the right end corresponding to the position of the second yarn threading hole 5. The middle end of the rotating wheel 52 is provided with a through hole, and the inner side of the through hole is set to an arc shape, which can reduce friction with the yarn, and the diameter of the through hole in the middle end of the rotating wheel 52 is smaller than the diameter of the second yarn threading hole 5, and can extend into the second yarn threading hole 5, so that the yarn can contact the through hole in the middle end of the rotating wheel 52 when passing through the second yarn threading hole 5. A group of worm gears 53 are provided at the upper left end of the rotating wheel 52, and a group of worm gears 54 are connected to the left end of the worm gear 53. The top end of the worm gear 54 is connected to the bottom end of the transmission shaft 45. The rotation of the transmission shaft 45 can drive the worm gear 54 to rotate, and then drive the worm wheel 53 to rotate, and the outer side of the rotating wheel 52 is provided with convex teeth corresponding to the worm gear 53, and the rotation of the worm gear 53 can drive the rotating wheel 52 to rotate.

[0024] Here's how it works:

[0025] During use, the yarn can pass through the yarn threading hole 1 4 and the yarn threading hole 2 5 in turn. When the yarn moves in the yarn threading hole 1 4, it can fit into the outer middle end of the concave wheel 43 and drive the concave wheel 43 to rotate. When the bottom concave wheel 43 rotates, it can drive the transmission shaft 45 to rotate through the connecting shaft 42 and the two sets of bevel gears 44, and then drive the worm 54 to rotate. The rotation of the worm 54 drives the worm wheel 53 and the rotating wheel 52 to rotate. When the rotating wheel 52 rotates, the contact position of the yarn and the middle end through hole of the rotating wheel 52 can be changed, which can avoid wear on the fixed position in the through hole of the rotating wheel 52 and improve the efficiency of yarn movement.

[0026] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A double-sided knitting machine yarn mouth, comprising a mounting plate (1), wherein a mounting groove (2) is provided at the middle end of the mounting plate (1); Its characteristics are: It also includes a connecting plate (3) arranged at the bottom end of the mounting plate (1), wherein the upper end of the connecting plate (3) is provided with a first yarn threading hole (4), and the lower end is provided with a second yarn threading hole (5); The threading hole (4) is provided with a group of notches (41) at the upper and lower ends, and a group of cam wheels (43) are connected to the notches (41) through a connecting shaft (42), and the right end of the connecting shaft (42) at the bottom is connected to a group of transmission shafts (45) through two groups of bevel gears (44).

2. The double-sided knitting machine yarn mouth according to claim 1, characterized in that: A cavity (51) is provided at the bottom end of the connecting plate (3), a group of rotating wheels (52) is provided at the right end of the cavity (51) corresponding to the position of the second threading hole (5), a group of worm wheels (53) is provided at the upper left end of the rotating wheels (52), a group of worm gears (54) is connected to the left end of the worm gears (53), and the top end of the worm gears (54) is connected to the bottom end of the transmission shaft (45).

3. The double-sided knitting machine yarn mouth according to claim 2, characterized in that: A through hole is provided at the middle end of the rotating wheel (52), and the inner side of the through hole is configured to be arc-shaped.

4. The double-sided knitting machine yarn mouth according to claim 3, characterized in that: The diameter of the through hole at the middle end of the rotating wheel (52) is smaller than the diameter of the second yarn threading hole (5) and can extend into the second yarn threading hole (5).

5. The double-sided knitting machine yarn mouth according to claim 4, characterized in that: The outer side of the rotating wheel (52) is provided with convex teeth corresponding to the worm wheel (53).

6. The double-sided knitting machine yarn mouth according to claim 1, characterized in that: The outer middle ends of the two groups of concave wheels (43) are both provided with a protective coating.

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